<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>FFmpegKit iOS / macOS / tvOS API: fftools_ffmpeg_videotoolbox.c Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectlogo"><img alt="Logo" src="../../ffmpeg-kit-icon-v9-small.png"/></td>
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">FFmpegKit iOS / macOS / tvOS API
   &#160;<span id="projectnumber">4.4</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "../../search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
  initMenu('../../',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">fftools_ffmpeg_videotoolbox.c</div>  </div>
</div><!--header-->
<div class="contents">
<a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;config.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#if HAVE_UTGETOSTYPEFROMSTRING</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;CoreServices/CoreServices.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &quot;libavcodec/avcodec.h&quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;libavcodec/videotoolbox.h&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;libavutil/imgutils.h&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="../../d5/d19/struct_v_t_context.html">   30</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="../../d5/d19/struct_v_t_context.html">VTContext</a> {</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">   31</a></span>&#160;    AVFrame *<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a76a27ac31b52e89cb917643691a35223">   32</a></span>&#160;} <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a76a27ac31b52e89cb917643691a35223">VTContext</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#ae8d49a71f90c4ef48c8666d8ea86b445">   34</a></span>&#160;__thread <span class="keywordtype">char</span> *<a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ac4122554a65bae24cafb47249aae07df">   36</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ac4122554a65bae24cafb47249aae07df">videotoolbox_retrieve_data</a>(AVCodecContext *s, AVFrame *frame)</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;{</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = s-&gt;opaque;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <a class="code" href="../../d5/d19/struct_v_t_context.html">VTContext</a>  *vt = ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#aa455c67610467c0d79f42b9c2e620d9f">hwaccel_ctx</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    CVPixelBufferRef pixbuf = (CVPixelBufferRef)frame-&gt;data[3];</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    OSType pixel_format = CVPixelBufferGetPixelFormatType(pixbuf);</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    CVReturn err;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    uint8_t *data[4] = { 0 };</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <span class="keywordtype">int</span> linesize[4] = { 0 };</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordtype">int</span> planes, ret, i;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    av_frame_unref(vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordflow">switch</span> (pixel_format) {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_420YpCbCr8Planar: vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format = AV_PIX_FMT_YUV420P; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_422YpCbCr8:       vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format = AV_PIX_FMT_UYVY422; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_32BGRA:           vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format = AV_PIX_FMT_BGRA; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#ifdef kCFCoreFoundationVersionNumber10_7</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange:</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_420YpCbCr8BiPlanarFullRange: vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format = AV_PIX_FMT_NV12; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#if HAVE_KCVPIXELFORMATTYPE_420YPCBCR10BIPLANARVIDEORANGE</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange:</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordflow">case</span> kCVPixelFormatType_420YpCbCr10BiPlanarFullRange: vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format = AV_PIX_FMT_P010; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        av_log(NULL, AV_LOG_ERROR,</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;               <span class="stringliteral">&quot;%s: Unsupported pixel format: %s\n&quot;</span>,</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;               av_fourcc2str(s-&gt;codec_tag), <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a>);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keywordflow">return</span> AVERROR(ENOSYS);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    }</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;width  = frame-&gt;width;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;height = frame-&gt;height;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    ret = av_frame_get_buffer(vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>, 32);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    err = CVPixelBufferLockBaseAddress(pixbuf, kCVPixelBufferLock_ReadOnly);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keywordflow">if</span> (err != kCVReturnSuccess) {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        av_log(NULL, AV_LOG_ERROR, <span class="stringliteral">&quot;Error locking the pixel buffer.\n&quot;</span>);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keywordflow">return</span> AVERROR_UNKNOWN;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    }</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordflow">if</span> (CVPixelBufferIsPlanar(pixbuf)) {</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        planes = CVPixelBufferGetPlaneCount(pixbuf);</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; planes; i++) {</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;            data[i]     = CVPixelBufferGetBaseAddressOfPlane(pixbuf, i);</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            linesize[i] = CVPixelBufferGetBytesPerRowOfPlane(pixbuf, i);</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        }</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        data[0] = CVPixelBufferGetBaseAddress(pixbuf);</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        linesize[0] = CVPixelBufferGetBytesPerRow(pixbuf);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    }</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    av_image_copy(vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;data, vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;linesize,</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;                  (<span class="keyword">const</span> uint8_t **)data, linesize, vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>-&gt;format,</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                  frame-&gt;width, frame-&gt;height);</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    ret = av_frame_copy_props(vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>, frame);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    CVPixelBufferUnlockBaseAddress(pixbuf, kCVPixelBufferLock_ReadOnly);</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    av_frame_unref(frame);</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    av_frame_move_ref(frame, vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;}</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a4c7aa7eeb49f343328f396ea4d116867">  107</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a4c7aa7eeb49f343328f396ea4d116867">videotoolbox_uninit</a>(AVCodecContext *s)</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = s-&gt;opaque;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <a class="code" href="../../d5/d19/struct_v_t_context.html">VTContext</a>  *vt = ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#aa455c67610467c0d79f42b9c2e620d9f">hwaccel_ctx</a>;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a45c7ee6dae692d19ff3d275032aeea94">hwaccel_uninit</a>        = NULL;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">hwaccel_retrieve_data</a> = NULL;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    av_frame_free(&amp;vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    av_videotoolbox_default_free(s);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    av_freep(&amp;ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#aa455c67610467c0d79f42b9c2e620d9f">hwaccel_ctx</a>);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;}</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="../../d7/db3/fftools__ffmpeg_8h.html#a2aecd4d11bf1f7413cdd45a356e9fa9a">  121</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a2aecd4d11bf1f7413cdd45a356e9fa9a">videotoolbox_init</a>(AVCodecContext *s)</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;{</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <a class="code" href="../../d3/d6e/struct_input_stream.html">InputStream</a> *ist = s-&gt;opaque;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keywordtype">int</span> loglevel = (ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">hwaccel_id</a> == <a class="code" href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a>) ? AV_LOG_VERBOSE : AV_LOG_ERROR;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <a class="code" href="../../d5/d19/struct_v_t_context.html">VTContext</a> *vt;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    vt = av_mallocz(<span class="keyword">sizeof</span>(*vt));</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keywordflow">if</span> (!vt)</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        <span class="keywordflow">return</span> AVERROR(ENOMEM);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160; </div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#aa455c67610467c0d79f42b9c2e620d9f">hwaccel_ctx</a>           = vt;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#a45c7ee6dae692d19ff3d275032aeea94">hwaccel_uninit</a>        = <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a4c7aa7eeb49f343328f396ea4d116867">videotoolbox_uninit</a>;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    ist-&gt;<a class="code" href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">hwaccel_retrieve_data</a> = <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ac4122554a65bae24cafb47249aae07df">videotoolbox_retrieve_data</a>;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a> = av_frame_alloc();</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordflow">if</span> (!vt-&gt;<a class="code" href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">tmp_frame</a>) {</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        ret = AVERROR(ENOMEM);</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="comment">// TODO: reindent</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a>) {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            ret = av_videotoolbox_default_init(s);</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            AVVideotoolboxContext *vtctx = av_videotoolbox_alloc_context();</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            CFStringRef pixfmt_str = CFStringCreateWithCString(kCFAllocatorDefault,</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                                                               <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a>,</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                                                               kCFStringEncodingUTF8);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor">#if HAVE_UTGETOSTYPEFROMSTRING</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            vtctx-&gt;cv_pix_fmt_type = UTGetOSTypeFromString(pixfmt_str);</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            av_log(s, loglevel, <span class="stringliteral">&quot;UTGetOSTypeFromString() is not available &quot;</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                   <span class="stringliteral">&quot;on this platform, %s pixel format can not be honored from &quot;</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                   <span class="stringliteral">&quot;the command line\n&quot;</span>, <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a>);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            ret = av_videotoolbox_default_init2(s, vtctx);</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            CFRelease(pixfmt_str);</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        }</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordflow">if</span> (ret &lt; 0) {</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        av_log(NULL, loglevel, <span class="stringliteral">&quot;Error creating Videotoolbox decoder.\n&quot;</span>);</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        <span class="keywordflow">goto</span> fail;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    }</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;fail:</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <a class="code" href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a4c7aa7eeb49f343328f396ea4d116867">videotoolbox_uninit</a>(s);</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;}</div>
<div class="ttc" id="afftools__ffmpeg_8h_html"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html">fftools_ffmpeg.h</a></div></div>
<div class="ttc" id="afftools__ffmpeg_8h_html_a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02"><div class="ttname"><a href="../../d7/db3/fftools__ffmpeg_8h.html#a0804b6530666fd8d5f4e4193ee1d205faf30c0c6c4434db4f22346cdcbd909a02">HWACCEL_AUTO</a></div><div class="ttdeci">@ HWACCEL_AUTO</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00083">fftools_ffmpeg.h:83</a></div></div>
<div class="ttc" id="afftools__ffmpeg__videotoolbox_8c_html_a2aecd4d11bf1f7413cdd45a356e9fa9a"><div class="ttname"><a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a2aecd4d11bf1f7413cdd45a356e9fa9a">videotoolbox_init</a></div><div class="ttdeci">int videotoolbox_init(AVCodecContext *s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00121">fftools_ffmpeg_videotoolbox.c:121</a></div></div>
<div class="ttc" id="afftools__ffmpeg__videotoolbox_8c_html_a4c7aa7eeb49f343328f396ea4d116867"><div class="ttname"><a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a4c7aa7eeb49f343328f396ea4d116867">videotoolbox_uninit</a></div><div class="ttdeci">static void videotoolbox_uninit(AVCodecContext *s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00107">fftools_ffmpeg_videotoolbox.c:107</a></div></div>
<div class="ttc" id="afftools__ffmpeg__videotoolbox_8c_html_a76a27ac31b52e89cb917643691a35223"><div class="ttname"><a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#a76a27ac31b52e89cb917643691a35223">VTContext</a></div><div class="ttdeci">struct VTContext VTContext</div></div>
<div class="ttc" id="afftools__ffmpeg__videotoolbox_8c_html_ac4122554a65bae24cafb47249aae07df"><div class="ttname"><a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ac4122554a65bae24cafb47249aae07df">videotoolbox_retrieve_data</a></div><div class="ttdeci">static int videotoolbox_retrieve_data(AVCodecContext *s, AVFrame *frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00036">fftools_ffmpeg_videotoolbox.c:36</a></div></div>
<div class="ttc" id="afftools__ffmpeg__videotoolbox_8c_html_ae8d49a71f90c4ef48c8666d8ea86b445"><div class="ttname"><a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c.html#ae8d49a71f90c4ef48c8666d8ea86b445">videotoolbox_pixfmt</a></div><div class="ttdeci">__thread char * videotoolbox_pixfmt</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00034">fftools_ffmpeg_videotoolbox.c:34</a></div></div>
<div class="ttc" id="astruct_input_stream_html"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html">InputStream</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00323">fftools_ffmpeg.h:323</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a45c7ee6dae692d19ff3d275032aeea94"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a45c7ee6dae692d19ff3d275032aeea94">InputStream::hwaccel_uninit</a></div><div class="ttdeci">void(* hwaccel_uninit)(AVCodecContext *s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00400">fftools_ffmpeg.h:400</a></div></div>
<div class="ttc" id="astruct_input_stream_html_a6c3473c28e30500adb3fa7886e6d7c3e"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#a6c3473c28e30500adb3fa7886e6d7c3e">InputStream::hwaccel_id</a></div><div class="ttdeci">enum HWAccelID hwaccel_id</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00390">fftools_ffmpeg.h:393</a></div></div>
<div class="ttc" id="astruct_input_stream_html_aa455c67610467c0d79f42b9c2e620d9f"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#aa455c67610467c0d79f42b9c2e620d9f">InputStream::hwaccel_ctx</a></div><div class="ttdeci">void * hwaccel_ctx</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00399">fftools_ffmpeg.h:399</a></div></div>
<div class="ttc" id="astruct_input_stream_html_ad983487b3e7c29f53bb3336190f14051"><div class="ttname"><a href="../../d3/d6e/struct_input_stream.html#ad983487b3e7c29f53bb3336190f14051">InputStream::hwaccel_retrieve_data</a></div><div class="ttdeci">int(* hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db3/fftools__ffmpeg_8h_source.html#l00402">fftools_ffmpeg.h:402</a></div></div>
<div class="ttc" id="astruct_v_t_context_html"><div class="ttname"><a href="../../d5/d19/struct_v_t_context.html">VTContext</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00030">fftools_ffmpeg_videotoolbox.c:30</a></div></div>
<div class="ttc" id="astruct_v_t_context_html_a2eabf8e8c67efaf0fb95f2c75c418ee0"><div class="ttname"><a href="../../d5/d19/struct_v_t_context.html#a2eabf8e8c67efaf0fb95f2c75c418ee0">VTContext::tmp_frame</a></div><div class="ttdeci">AVFrame * tmp_frame</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db7/fftools__ffmpeg__videotoolbox_8c_source.html#l00031">fftools_ffmpeg_videotoolbox.c:31</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Mon Mar 1 2021 23:55:45 for FFmpegKit iOS / macOS / tvOS API by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
</small></address>
</body>
</html>
